svelte-markdown-pages/dist/renderer/content.js

Build and render markdown-based content with distributed navigation for Svelte projects

import { marked } from 'marked';

// src/renderer/content.ts
var ContentLoader = class {
  constructor(content, processor) {
    this.content = content;
    this.processor = processor;
  }
  loadContent(path) {
    return this.content[path];
  }
  loadAndProcess(path) {
    const content = this.loadContent(path);
    if (!content) {
      return void 0;
    }
    return this.processContent(content);
  }
  processContent(content) {
    if (this.processor) {
      content = this.processor.process(content);
    }
    return marked(content);
  }
  hasContent(path) {
    return path in this.content;
  }
  getAvailablePaths() {
    return Object.keys(this.content);
  }
  getContentSize(path) {
    const content = this.loadContent(path);
    return content ? content.length : 0;
  }
  getTotalContentSize() {
    return Object.values(this.content).reduce((total, content) => total + content.length, 0);
  }
};
async function loadContent(path, contentBundle, processor) {
  const loader = new ContentLoader(contentBundle, processor);
  return loader.loadAndProcess(path);
}
function createContentLoader(contentBundle, processor) {
  return new ContentLoader(contentBundle, processor);
}
function extractHeadings(content) {
  const headings = [];
  const lines = content.split("\n");
  for (const line of lines) {
    const match = line.match(/^(#{1,6})\s+(.+)$/);
    if (match && match[1] && match[2]) {
      const level = match[1].length;
      const text = match[2].trim();
      const id = text.toLowerCase().replace(/[^a-z0-9]+/g, "-").replace(/^-+|-+$/g, "");
      headings.push({ level, text, id });
    }
  }
  return headings;
}
function extractTableOfContents(content) {
  const headings = extractHeadings(content);
  if (headings.length === 0) {
    return "";
  }
  const toc = ["## Table of Contents", ""];
  for (const heading of headings) {
    const indent = "  ".repeat(heading.level - 1);
    toc.push(`${indent}- [${heading.text}](#${heading.id})`);
  }
  return toc.join("\n");
}
function addTableOfContents(content) {
  const toc = extractTableOfContents(content);
  if (!toc) {
    return content;
  }
  const lines = content.split("\n");
  const firstHeadingIndex = lines.findIndex((line) => line.match(/^#{1,6}\s+/));
  if (firstHeadingIndex === -1) {
    return content;
  }
  lines.splice(firstHeadingIndex + 1, 0, toc, "");
  return lines.join("\n");
}

export { ContentLoader, addTableOfContents, createContentLoader, extractHeadings, extractTableOfContents, loadContent };
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